add new wallpaper

_pages/wallpaper.md

@@ -1,11 +1,16 @@
 ---
 title: Wallpapers
-permalink: "/wallpaper"
+permalink: '/wallpaper'
 layout: post
 ---
 
 Right-click and choose **Save Image** to download my wallpapers. All following pictures are my own work and are published on Creative Commons BY-NC-SA.
 
+<div style="display: flex; flex-direction: row">
+  <div><img src="{{ site.baseurl }}/images/wallpaper/vertex.png" /></div>
+  <div style="margin-left: 20px"><img src="{{ site.baseurl }}/images/wallpaper/vertex2.png" /></div>
+</div>
+
 ![Sunrise]({{ site.baseurl }}/images/wallpaper/sunrise.png)
 
 ![Ridge]({{ site.baseurl }}/images/wallpaper/ridge.png)